849205 has 16 divisors (see below), whose sum is σ = 1226880. Its totient is φ = 551232.

The previous prime is 849203. The next prime is 849217. The reversal of 849205 is 502948.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 849205 - 2¹ = 849203 is a prime.

It is a super-2 number, since 2×849205² = 1442298264050, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (76680).

2⁸⁴⁹²⁰⁵ is an apocalyptic number.

It is an amenable number.

849205 is a deficient number, since it is larger than the sum of its proper divisors (377675).

849205 is a wasteful number, since it uses less digits than its factorization.

849205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 849205 is about 921.5231955844. The cubic root of 849205 is about 94.6972820263.

The spelling of 849205 in words is "eight hundred forty-nine thousand, two hundred five".